docs: def check_time_event(oqparam, occupancy_periods):
      """
      Check the `time_event` parameter in the datastore, by comparing
      with the periods found in the exposure.
      """
      time_event = oqparam.time_event
      if time_event and time_event not in occupancy_periods:
          raise ValueError(
              'time_event is %s in %s, but the exposure contains %s' %
              (time_event, oqparam.inputs['job_ini'],
               ', '.join(occupancy_periods)))